| /* |
| * Copyright (C) 2015, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "aidl.h" |
| |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/param.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| #include <algorithm> |
| #include <iostream> |
| #include <map> |
| #include <memory> |
| |
| #ifdef _WIN32 |
| #include <io.h> |
| #include <direct.h> |
| #include <sys/stat.h> |
| #endif |
| |
| #include <android-base/strings.h> |
| |
| #include "aidl_checkapi.h" |
| #include "aidl_dumpapi.h" |
| #include "aidl_language.h" |
| #include "aidl_typenames.h" |
| #include "check_valid.h" |
| #include "generate_aidl_mappings.h" |
| #include "generate_cpp.h" |
| #include "generate_java.h" |
| #include "generate_ndk.h" |
| #include "generate_rust.h" |
| #include "import_resolver.h" |
| #include "logging.h" |
| #include "options.h" |
| #include "os.h" |
| #include "parser.h" |
| #include "preprocess.h" |
| |
| #ifndef O_BINARY |
| # define O_BINARY 0 |
| #endif |
| |
| using android::base::Join; |
| using android::base::Split; |
| using std::set; |
| using std::string; |
| using std::unique_ptr; |
| using std::unordered_set; |
| using std::vector; |
| |
| namespace android { |
| namespace aidl { |
| namespace { |
| |
| // Copied from android.is.IBinder.[FIRST|LAST]_CALL_TRANSACTION |
| const int kFirstCallTransaction = 1; |
| const int kLastCallTransaction = 0x00ffffff; |
| |
| // Following IDs are all offsets from kFirstCallTransaction |
| |
| // IDs for meta transactions. Most of the meta transactions are implemented in |
| // the framework side (Binder.java or Binder.cpp). But these are the ones that |
| // are auto-implemented by the AIDL compiler. |
| const int kFirstMetaMethodId = kLastCallTransaction - kFirstCallTransaction; |
| const int kGetInterfaceVersionId = kFirstMetaMethodId; |
| const int kGetInterfaceHashId = kFirstMetaMethodId - 1; |
| // Additional meta transactions implemented by AIDL should use |
| // kFirstMetaMethodId -1, -2, ...and so on. |
| |
| // Reserve 100 IDs for meta methods, which is more than enough. If we don't reserve, |
| // in the future, a newly added meta transaction ID will have a chance to |
| // collide with the user-defined methods that were added in the past. So, |
| // let's prevent users from using IDs in this range from the beginning. |
| const int kLastMetaMethodId = kFirstMetaMethodId - 99; |
| |
| // Range of IDs that is allowed for user-defined methods. |
| const int kMinUserSetMethodId = 0; |
| const int kMaxUserSetMethodId = kLastMetaMethodId - 1; |
| |
| bool check_filename(const std::string& filename, const AidlDefinedType& defined_type) { |
| const char* p; |
| string expected; |
| string fn; |
| size_t len; |
| bool valid = false; |
| |
| if (!IoDelegate::GetAbsolutePath(filename, &fn)) { |
| return false; |
| } |
| |
| const std::string package = defined_type.GetPackage(); |
| if (!package.empty()) { |
| expected = package; |
| expected += '.'; |
| } |
| |
| len = expected.length(); |
| for (size_t i=0; i<len; i++) { |
| if (expected[i] == '.') { |
| expected[i] = OS_PATH_SEPARATOR; |
| } |
| } |
| |
| const std::string name = defined_type.GetName(); |
| expected.append(name, 0, name.find('.')); |
| |
| expected += ".aidl"; |
| |
| len = fn.length(); |
| valid = (len >= expected.length()); |
| |
| if (valid) { |
| p = fn.c_str() + (len - expected.length()); |
| |
| #ifdef _WIN32 |
| if (OS_PATH_SEPARATOR != '/') { |
| // Input filename under cygwin most likely has / separators |
| // whereas the expected string uses \\ separators. Adjust |
| // them accordingly. |
| for (char *c = const_cast<char *>(p); *c; ++c) { |
| if (*c == '/') *c = OS_PATH_SEPARATOR; |
| } |
| } |
| #endif |
| |
| // aidl assumes case-insensitivity on Mac Os and Windows. |
| #if defined(__linux__) |
| valid = (expected == p); |
| #else |
| valid = !strcasecmp(expected.c_str(), p); |
| #endif |
| } |
| |
| if (!valid) { |
| AIDL_ERROR(defined_type) << name << " should be declared in a file called " << expected; |
| } |
| |
| return valid; |
| } |
| |
| bool write_dep_file(const Options& options, const AidlDefinedType& defined_type, |
| const vector<string>& imports, const IoDelegate& io_delegate, |
| const string& input_file, const string& output_file) { |
| string dep_file_name = options.DependencyFile(); |
| if (dep_file_name.empty() && options.AutoDepFile()) { |
| dep_file_name = output_file + ".d"; |
| } |
| |
| if (dep_file_name.empty()) { |
| return true; // nothing to do |
| } |
| |
| CodeWriterPtr writer = io_delegate.GetCodeWriter(dep_file_name); |
| if (!writer) { |
| AIDL_ERROR(dep_file_name) << "Could not open dependency file."; |
| return false; |
| } |
| |
| vector<string> source_aidl = {input_file}; |
| for (const auto& import : imports) { |
| source_aidl.push_back(import); |
| } |
| |
| // Encode that the output file depends on aidl input files. |
| if (defined_type.AsUnstructuredParcelable() != nullptr && |
| options.TargetLanguage() == Options::Language::JAVA) { |
| // Legacy behavior. For parcelable declarations in Java, don't emit output file as |
| // the dependency target. b/141372861 |
| writer->Write(" : \\\n"); |
| } else { |
| writer->Write("%s : \\\n", output_file.c_str()); |
| } |
| writer->Write(" %s", Join(source_aidl, " \\\n ").c_str()); |
| writer->Write("\n"); |
| |
| if (!options.DependencyFileNinja()) { |
| writer->Write("\n"); |
| // Output "<input_aidl_file>: " so make won't fail if the input .aidl file |
| // has been deleted, moved or renamed in incremental build. |
| for (const auto& src : source_aidl) { |
| writer->Write("%s :\n", src.c_str()); |
| } |
| } |
| |
| if (options.IsCppOutput()) { |
| if (!options.DependencyFileNinja()) { |
| using ::android::aidl::cpp::ClassNames; |
| using ::android::aidl::cpp::HeaderFile; |
| vector<string> headers; |
| for (ClassNames c : {ClassNames::CLIENT, ClassNames::SERVER, ClassNames::RAW}) { |
| headers.push_back(options.OutputHeaderDir() + |
| HeaderFile(defined_type, c, false /* use_os_sep */)); |
| } |
| |
| writer->Write("\n"); |
| |
| // Generated headers also depend on the source aidl files. |
| writer->Write("%s : \\\n %s\n", Join(headers, " \\\n ").c_str(), |
| Join(source_aidl, " \\\n ").c_str()); |
| } |
| } |
| |
| return true; |
| } |
| |
| // Returns the path to the destination file of `defined_type`. |
| string GetOutputFilePath(const Options& options, const AidlDefinedType& defined_type) { |
| string result = options.OutputDir(); |
| |
| // add the package |
| string package = defined_type.GetPackage(); |
| if (!package.empty()) { |
| for (auto& c : package) { |
| if (c == '.') { |
| c = OS_PATH_SEPARATOR; |
| } |
| } |
| result += package; |
| result += OS_PATH_SEPARATOR; |
| } |
| |
| // add the filename |
| result += defined_type.GetName(); |
| if (options.TargetLanguage() == Options::Language::JAVA) { |
| result += ".java"; |
| } else if (options.IsCppOutput()) { |
| result += ".cpp"; |
| } else if (options.TargetLanguage() == Options::Language::RUST) { |
| result += ".rs"; |
| } else { |
| AIDL_FATAL("Unknown target language"); |
| return ""; |
| } |
| |
| return result; |
| } |
| |
| bool CheckAndAssignMethodIDs(const std::vector<std::unique_ptr<AidlMethod>>& items) { |
| // Check whether there are any methods with manually assigned id's and any |
| // that are not. Either all method id's must be manually assigned or all of |
| // them must not. Also, check for uplicates of user set ID's and that the |
| // ID's are within the proper bounds. |
| set<int> usedIds; |
| bool hasUnassignedIds = false; |
| bool hasAssignedIds = false; |
| int newId = kMinUserSetMethodId; |
| for (const auto& item : items) { |
| // However, meta transactions that are added by the AIDL compiler are |
| // exceptions. They have fixed IDs but allowed to be with user-defined |
| // methods having auto-assigned IDs. This is because the Ids of the meta |
| // transactions must be stable during the entire lifetime of an interface. |
| // In other words, their IDs must be the same even when new user-defined |
| // methods are added. |
| if (!item->IsUserDefined()) { |
| continue; |
| } |
| if (item->HasId()) { |
| hasAssignedIds = true; |
| } else { |
| item->SetId(newId++); |
| hasUnassignedIds = true; |
| } |
| |
| if (hasAssignedIds && hasUnassignedIds) { |
| AIDL_ERROR(item) << "You must either assign id's to all methods or to none of them."; |
| return false; |
| } |
| |
| // Ensure that the user set id is not duplicated. |
| if (usedIds.find(item->GetId()) != usedIds.end()) { |
| // We found a duplicate id, so throw an error. |
| AIDL_ERROR(item) << "Found duplicate method id (" << item->GetId() << ") for method " |
| << item->GetName(); |
| return false; |
| } |
| usedIds.insert(item->GetId()); |
| |
| // Ensure that the user set id is within the appropriate limits |
| if (item->GetId() < kMinUserSetMethodId || item->GetId() > kMaxUserSetMethodId) { |
| AIDL_ERROR(item) << "Found out of bounds id (" << item->GetId() << ") for method " |
| << item->GetName() << ". Value for id must be between " |
| << kMinUserSetMethodId << " and " << kMaxUserSetMethodId << " inclusive."; |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ValidateAnnotationContext(const AidlDocument& doc) { |
| struct AnnotationValidator : AidlVisitor { |
| bool success = true; |
| |
| void Check(const AidlAnnotatable& annotatable, AidlAnnotation::TargetContext context) { |
| for (const auto& annot : annotatable.GetAnnotations()) { |
| if (!annot->CheckContext(context)) { |
| success = false; |
| } |
| } |
| } |
| void Visit(const AidlInterface& m) override { |
| Check(m, AidlAnnotation::CONTEXT_TYPE_INTERFACE); |
| } |
| void Visit(const AidlParcelable& m) override { |
| Check(m, AidlAnnotation::CONTEXT_TYPE_UNSTRUCTURED_PARCELABLE); |
| } |
| void Visit(const AidlStructuredParcelable& m) override { |
| Check(m, AidlAnnotation::CONTEXT_TYPE_STRUCTURED_PARCELABLE); |
| } |
| void Visit(const AidlEnumDeclaration& m) override { |
| Check(m, AidlAnnotation::CONTEXT_TYPE_ENUM); |
| } |
| void Visit(const AidlUnionDecl& m) override { Check(m, AidlAnnotation::CONTEXT_TYPE_UNION); } |
| void Visit(const AidlMethod& m) override { |
| Check(m.GetType(), AidlAnnotation::CONTEXT_TYPE_SPECIFIER | AidlAnnotation::CONTEXT_METHOD); |
| for (const auto& arg : m.GetArguments()) { |
| Check(arg->GetType(), AidlAnnotation::CONTEXT_TYPE_SPECIFIER); |
| } |
| } |
| void Visit(const AidlConstantDeclaration& m) override { |
| Check(m.GetType(), AidlAnnotation::CONTEXT_TYPE_SPECIFIER | AidlAnnotation::CONTEXT_CONST); |
| } |
| void Visit(const AidlVariableDeclaration& m) override { |
| Check(m.GetType(), AidlAnnotation::CONTEXT_TYPE_SPECIFIER | AidlAnnotation::CONTEXT_FIELD); |
| } |
| void Visit(const AidlTypeSpecifier& m) override { |
| // nested generic type parameters are checked as well |
| if (m.IsGeneric()) { |
| for (const auto& tp : m.GetTypeParameters()) { |
| Check(*tp, AidlAnnotation::CONTEXT_TYPE_SPECIFIER); |
| } |
| } |
| } |
| }; |
| |
| AnnotationValidator validator; |
| VisitTopDown(validator, doc); |
| return validator.success; |
| } |
| |
| bool ValidateCppHeader(const AidlDocument& doc) { |
| struct CppHeaderVisitor : AidlVisitor { |
| bool success = true; |
| void Visit(const AidlParcelable& p) override { |
| if (p.GetCppHeader().empty()) { |
| AIDL_ERROR(p) << "Unstructured parcelable \"" << p.GetName() |
| << "\" must have C++ header defined."; |
| success = false; |
| } |
| } |
| void Visit(const AidlTypeSpecifier& m) override { |
| auto type = m.GetDefinedType(); |
| if (type) { |
| auto unstructured = type->AsUnstructuredParcelable(); |
| if (unstructured && unstructured->GetCppHeader().empty()) { |
| AIDL_ERROR(m) << "Unstructured parcelable \"" << m.GetUnresolvedName() |
| << "\" must have C++ header defined."; |
| success = false; |
| } |
| } |
| } |
| }; |
| |
| CppHeaderVisitor validator; |
| VisitTopDown(validator, doc); |
| return validator.success; |
| } |
| |
| } // namespace |
| |
| namespace internals { |
| |
| AidlError load_and_validate_aidl(const std::string& input_file_name, const Options& options, |
| const IoDelegate& io_delegate, AidlTypenames* typenames, |
| vector<string>* imported_files) { |
| AidlError err = AidlError::OK; |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // Loading phase |
| ////////////////////////////////////////////////////////////////////////// |
| |
| // Parse the main input file |
| const AidlDocument* document = Parser::Parse(input_file_name, io_delegate, *typenames); |
| if (document == nullptr) { |
| return AidlError::PARSE_ERROR; |
| } |
| int num_top_level_decls = 0; |
| for (const auto& type : document->DefinedTypes()) { |
| if (type->AsUnstructuredParcelable() == nullptr) { |
| num_top_level_decls++; |
| if (num_top_level_decls > 1) { |
| AIDL_ERROR(*type) << "You must declare only one type per file."; |
| return AidlError::BAD_TYPE; |
| } |
| } |
| } |
| |
| // Import the preprocessed file |
| for (const string& filename : options.PreprocessedFiles()) { |
| auto preprocessed = Parser::Parse(filename, io_delegate, *typenames, /*is_preprocessed=*/true); |
| if (!preprocessed) { |
| return AidlError::BAD_PRE_PROCESSED_FILE; |
| } |
| } |
| |
| // Find files to import and parse them |
| vector<string> import_paths; |
| ImportResolver import_resolver{io_delegate, input_file_name, options.ImportDirs()}; |
| for (const auto& import : document->Imports()) { |
| if (typenames->IsIgnorableImport(import)) { |
| // There are places in the Android tree where an import doesn't resolve, |
| // but we'll pick the type up through the preprocessed types. |
| // This seems like an error, but legacy support demands we support it... |
| continue; |
| } |
| string import_path = import_resolver.FindImportFile(import); |
| if (import_path.empty()) { |
| AIDL_ERROR(input_file_name) << "Couldn't find import for class " << import; |
| err = AidlError::BAD_IMPORT; |
| continue; |
| } |
| |
| import_paths.emplace_back(import_path); |
| |
| auto imported_doc = Parser::Parse(import_path, io_delegate, *typenames); |
| if (imported_doc == nullptr) { |
| AIDL_ERROR(import_path) << "error while importing " << import_path << " for " << import; |
| err = AidlError::BAD_IMPORT; |
| continue; |
| } |
| } |
| if (err != AidlError::OK) { |
| return err; |
| } |
| |
| TypeResolver resolver = [&](const AidlDefinedType* scope, AidlTypeSpecifier* type) { |
| // resolve with already loaded types |
| if (type->Resolve(*typenames, scope)) { |
| return true; |
| } |
| const string import_path = import_resolver.FindImportFile(scope->ResolveName(type->GetName())); |
| if (import_path.empty()) { |
| return false; |
| } |
| import_paths.push_back(import_path); |
| auto imported_doc = Parser::Parse(import_path, io_delegate, *typenames); |
| if (imported_doc == nullptr) { |
| AIDL_ERROR(import_path) << "error while importing " << import_path << " for " << import_path; |
| return false; |
| } |
| |
| // now, try to resolve it again |
| if (!type->Resolve(*typenames, scope)) { |
| AIDL_ERROR(type) << "Can't resolve " << type->GetName(); |
| return false; |
| } |
| return true; |
| }; |
| |
| // Resolve the unresolved references |
| if (!ResolveReferences(*document, resolver)) { |
| return AidlError::BAD_TYPE; |
| } |
| |
| if (!typenames->Autofill()) { |
| return AidlError::BAD_TYPE; |
| } |
| |
| ////////////////////////////////////////////////////////////////////////// |
| // Validation phase |
| ////////////////////////////////////////////////////////////////////////// |
| |
| const auto& types = document->DefinedTypes(); |
| const int num_defined_types = types.size(); |
| for (const auto& defined_type : types) { |
| AIDL_FATAL_IF(defined_type == nullptr, document); |
| |
| // Ensure type is exactly one of the following: |
| AidlInterface* interface = defined_type->AsInterface(); |
| AidlStructuredParcelable* parcelable = defined_type->AsStructuredParcelable(); |
| AidlParcelable* unstructured_parcelable = defined_type->AsUnstructuredParcelable(); |
| AidlEnumDeclaration* enum_decl = defined_type->AsEnumDeclaration(); |
| AidlUnionDecl* union_decl = defined_type->AsUnionDeclaration(); |
| AIDL_FATAL_IF( |
| !!interface + !!parcelable + !!unstructured_parcelable + !!enum_decl + !!union_decl != 1, |
| defined_type); |
| |
| // Ensure that foo.bar.IFoo is defined in <some_path>/foo/bar/IFoo.aidl |
| if (num_defined_types == 1 && !check_filename(input_file_name, *defined_type)) { |
| return AidlError::BAD_PACKAGE; |
| } |
| |
| { |
| bool valid_type = true; |
| |
| if (!defined_type->CheckValid(*typenames)) { |
| valid_type = false; |
| } |
| |
| if (!defined_type->LanguageSpecificCheckValid(options.TargetLanguage())) { |
| valid_type = false; |
| } |
| |
| if (!valid_type) { |
| return AidlError::BAD_TYPE; |
| } |
| } |
| |
| if (unstructured_parcelable != nullptr) { |
| auto lang = options.TargetLanguage(); |
| bool isStable = unstructured_parcelable->IsStableApiParcelable(lang); |
| if (options.IsStructured() && !isStable) { |
| AIDL_ERROR(unstructured_parcelable) |
| << "Cannot declare unstructured parcelable in a --structured interface. Parcelable " |
| "must be defined in AIDL directly."; |
| return AidlError::NOT_STRUCTURED; |
| } |
| if (options.FailOnParcelable() || lang == Options::Language::NDK || |
| lang == Options::Language::RUST) { |
| AIDL_ERROR(unstructured_parcelable) |
| << "Refusing to generate code with unstructured parcelables. Declared parcelables " |
| "should be in their own file and/or cannot be used with --structured interfaces."; |
| return AidlError::FOUND_PARCELABLE; |
| } |
| } |
| |
| if (defined_type->IsVintfStability()) { |
| bool success = true; |
| if (options.GetStability() != Options::Stability::VINTF) { |
| AIDL_ERROR(defined_type) |
| << "Must compile @VintfStability type w/ aidl_interface 'stability: \"vintf\"'"; |
| success = false; |
| } |
| if (!options.IsStructured()) { |
| AIDL_ERROR(defined_type) |
| << "Must compile @VintfStability type w/ aidl_interface --structured"; |
| success = false; |
| } |
| if (!success) return AidlError::NOT_STRUCTURED; |
| } |
| |
| // Verify the var/const declarations. |
| // const expressions should be non-empty when evaluated with the var/const type. |
| for (const auto& constant : defined_type->GetConstantDeclarations()) { |
| if (constant->ValueString(AidlConstantValueDecorator).empty()) { |
| return AidlError::BAD_TYPE; |
| } |
| } |
| for (const auto& var : defined_type->GetFields()) { |
| if (var->GetDefaultValue() && var->ValueString(AidlConstantValueDecorator).empty()) { |
| return AidlError::BAD_TYPE; |
| } |
| } |
| } |
| |
| // Add meta methods and assign method IDs to each interface |
| typenames->IterateTypes([&](const AidlDefinedType& type) { |
| auto interface = const_cast<AidlInterface*>(type.AsInterface()); |
| if (interface != nullptr) { |
| // add the meta-method 'int getInterfaceVersion()' if version is specified. |
| if (options.Version() > 0) { |
| auto ret = typenames->MakeResolvedType(AIDL_LOCATION_HERE, "int", false); |
| vector<unique_ptr<AidlArgument>>* args = new vector<unique_ptr<AidlArgument>>(); |
| auto method = std::make_unique<AidlMethod>( |
| AIDL_LOCATION_HERE, false, ret.release(), "getInterfaceVersion", args, Comments{}, |
| kGetInterfaceVersionId, false /* is_user_defined */); |
| interface->AddMethod(std::move(method)); |
| } |
| // add the meta-method 'string getInterfaceHash()' if hash is specified. |
| if (!options.Hash().empty()) { |
| auto ret = typenames->MakeResolvedType(AIDL_LOCATION_HERE, "String", false); |
| vector<unique_ptr<AidlArgument>>* args = new vector<unique_ptr<AidlArgument>>(); |
| auto method = std::make_unique<AidlMethod>( |
| AIDL_LOCATION_HERE, false, ret.release(), kGetInterfaceHash, args, Comments{}, |
| kGetInterfaceHashId, false /* is_user_defined */); |
| interface->AddMethod(std::move(method)); |
| } |
| if (!CheckAndAssignMethodIDs(interface->GetMethods())) { |
| err = AidlError::BAD_METHOD_ID; |
| } |
| } |
| }); |
| if (err != AidlError::OK) { |
| return err; |
| } |
| |
| for (const auto& doc : typenames->AllDocuments()) { |
| VisitTopDown([](const AidlNode& n) { n.MarkVisited(); }, *doc); |
| } |
| |
| if (!CheckValid(*document, options)) { |
| return AidlError::BAD_TYPE; |
| } |
| |
| if (!ValidateAnnotationContext(*document)) { |
| return AidlError::BAD_TYPE; |
| } |
| |
| if ((options.TargetLanguage() == Options::Language::CPP || |
| options.TargetLanguage() == Options::Language::NDK) && |
| !ValidateCppHeader(*document)) { |
| return AidlError::BAD_TYPE; |
| } |
| |
| if (!Diagnose(*document, options.GetDiagnosticMapping())) { |
| return AidlError::BAD_TYPE; |
| } |
| |
| typenames->IterateTypes([&](const AidlDefinedType& type) { |
| if (!type.LanguageSpecificCheckValid(options.TargetLanguage())) { |
| err = AidlError::BAD_TYPE; |
| } |
| |
| if (options.IsStructured() && type.AsUnstructuredParcelable() != nullptr && |
| !type.AsUnstructuredParcelable()->IsStableApiParcelable(options.TargetLanguage())) { |
| err = AidlError::NOT_STRUCTURED; |
| AIDL_ERROR(type) << type.GetCanonicalName() |
| << " is not structured, but this is a structured interface."; |
| } |
| if (options.GetStability() == Options::Stability::VINTF && !type.IsVintfStability()) { |
| err = AidlError::NOT_STRUCTURED; |
| AIDL_ERROR(type) << type.GetCanonicalName() |
| << " does not have VINTF level stability, but this interface requires it."; |
| } |
| |
| // Ensure that untyped List/Map is not used in a parcelable, a union and a stable interface. |
| |
| std::function<void(const AidlTypeSpecifier&, const AidlNode*)> check_untyped_container = |
| [&err, &check_untyped_container](const AidlTypeSpecifier& type, const AidlNode* node) { |
| if (type.IsGeneric()) { |
| std::for_each(type.GetTypeParameters().begin(), type.GetTypeParameters().end(), |
| [&node, &check_untyped_container](auto& nested) { |
| check_untyped_container(*nested, node); |
| }); |
| return; |
| } |
| if (type.GetName() == "List" || type.GetName() == "Map") { |
| err = AidlError::BAD_TYPE; |
| AIDL_ERROR(node) |
| << "Encountered an untyped List or Map. The use of untyped List/Map is prohibited " |
| << "because it is not guaranteed that the objects in the list are recognizable in " |
| << "the receiving side. Consider switching to an array or a generic List/Map."; |
| } |
| }; |
| |
| if (type.AsInterface() && options.IsStructured()) { |
| for (const auto& method : type.GetMethods()) { |
| check_untyped_container(method->GetType(), method.get()); |
| for (const auto& arg : method->GetArguments()) { |
| check_untyped_container(arg->GetType(), method.get()); |
| } |
| } |
| } |
| for (const auto& field : type.GetFields()) { |
| check_untyped_container(field->GetType(), field.get()); |
| } |
| }); |
| |
| if (err != AidlError::OK) { |
| return err; |
| } |
| |
| if (imported_files != nullptr) { |
| *imported_files = import_paths; |
| } |
| |
| return AidlError::OK; |
| } |
| |
| } // namespace internals |
| |
| bool compile_aidl(const Options& options, const IoDelegate& io_delegate) { |
| const Options::Language lang = options.TargetLanguage(); |
| for (const string& input_file : options.InputFiles()) { |
| AidlTypenames typenames; |
| |
| vector<string> imported_files; |
| |
| AidlError aidl_err = internals::load_and_validate_aidl(input_file, options, io_delegate, |
| &typenames, &imported_files); |
| if (aidl_err != AidlError::OK) { |
| return false; |
| } |
| |
| for (const auto& defined_type : typenames.MainDocument().DefinedTypes()) { |
| AIDL_FATAL_IF(defined_type == nullptr, input_file); |
| |
| string output_file_name = options.OutputFile(); |
| // if needed, generate the output file name from the base folder |
| if (output_file_name.empty() && !options.OutputDir().empty()) { |
| output_file_name = GetOutputFilePath(options, *defined_type); |
| if (output_file_name.empty()) { |
| return false; |
| } |
| } |
| |
| if (!write_dep_file(options, *defined_type, imported_files, io_delegate, input_file, |
| output_file_name)) { |
| return false; |
| } |
| |
| bool success = false; |
| if (lang == Options::Language::CPP) { |
| success = |
| cpp::GenerateCpp(output_file_name, options, typenames, *defined_type, io_delegate); |
| } else if (lang == Options::Language::NDK) { |
| ndk::GenerateNdk(output_file_name, options, typenames, *defined_type, io_delegate); |
| success = true; |
| } else if (lang == Options::Language::JAVA) { |
| if (defined_type->AsUnstructuredParcelable() != nullptr) { |
| // Legacy behavior. For parcelable declarations in Java, don't generate output file. |
| success = true; |
| } else { |
| java::GenerateJava(output_file_name, options, typenames, *defined_type, io_delegate); |
| success = true; |
| } |
| } else if (lang == Options::Language::RUST) { |
| rust::GenerateRust(output_file_name, options, typenames, *defined_type, io_delegate); |
| success = true; |
| } else { |
| AIDL_FATAL(input_file) << "Should not reach here."; |
| } |
| if (!success) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| bool dump_mappings(const Options& options, const IoDelegate& io_delegate) { |
| android::aidl::mappings::SignatureMap all_mappings; |
| for (const string& input_file : options.InputFiles()) { |
| AidlTypenames typenames; |
| vector<string> imported_files; |
| |
| AidlError aidl_err = internals::load_and_validate_aidl(input_file, options, io_delegate, |
| &typenames, &imported_files); |
| if (aidl_err != AidlError::OK) { |
| return false; |
| } |
| for (const auto& defined_type : typenames.MainDocument().DefinedTypes()) { |
| auto mappings = mappings::generate_mappings(defined_type.get()); |
| all_mappings.insert(mappings.begin(), mappings.end()); |
| } |
| } |
| std::stringstream mappings_str; |
| for (const auto& mapping : all_mappings) { |
| mappings_str << mapping.first << "\n" << mapping.second << "\n"; |
| } |
| auto code_writer = io_delegate.GetCodeWriter(options.OutputFile()); |
| code_writer->Write("%s", mappings_str.str().c_str()); |
| return true; |
| } |
| |
| int aidl_entry(const Options& options, const IoDelegate& io_delegate) { |
| AidlErrorLog::clearError(); |
| AidlNode::ClearUnvisitedNodes(); |
| |
| bool success = false; |
| if (options.Ok()) { |
| switch (options.GetTask()) { |
| case Options::Task::HELP: |
| success = true; |
| break; |
| case Options::Task::COMPILE: |
| success = android::aidl::compile_aidl(options, io_delegate); |
| break; |
| case Options::Task::PREPROCESS: |
| success = android::aidl::Preprocess(options, io_delegate); |
| break; |
| case Options::Task::DUMP_API: |
| success = android::aidl::dump_api(options, io_delegate); |
| break; |
| case Options::Task::CHECK_API: |
| success = android::aidl::check_api(options, io_delegate); |
| break; |
| case Options::Task::DUMP_MAPPINGS: |
| success = android::aidl::dump_mappings(options, io_delegate); |
| break; |
| default: |
| AIDL_FATAL(AIDL_LOCATION_HERE) |
| << "Unrecognized task: " << static_cast<size_t>(options.GetTask()); |
| } |
| } else { |
| AIDL_ERROR(options.GetErrorMessage()) << options.GetUsage(); |
| } |
| |
| const bool reportedError = AidlErrorLog::hadError(); |
| AIDL_FATAL_IF(success == reportedError, AIDL_LOCATION_HERE) |
| << "Compiler returned success " << success << " but did" << (reportedError ? "" : " not") |
| << " emit error logs"; |
| |
| if (success) { |
| auto locations = AidlNode::GetLocationsOfUnvisitedNodes(); |
| if (!locations.empty()) { |
| for (const auto& location : locations) { |
| AIDL_ERROR(location) << "AidlNode at location was not visited!"; |
| } |
| AIDL_FATAL(AIDL_LOCATION_HERE) |
| << "The AIDL AST was not processed fully. Please report an issue."; |
| } |
| } |
| |
| return success ? 0 : 1; |
| } |
| |
| } // namespace aidl |
| } // namespace android |
